Question about HEWLETT PACKARD - LASER JETS HP LaserJet Pro 400 M401DN Laser Printer - Monochrome - 1200 x 12

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How do I remove a DIMM card?

Receiving 79 Service Error

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2 Answers

What is error message 79 service 01BF?


Restart the printer and try to print the same job, if it fails, try printing a different job, could be corrupt file. Can be bad memory or a bad network card if one is installed, remove memory one dimm at a time to see if the error goes away. Otherwise it is the formatter itself.

Aug 03, 2014 | HP LaserJet 4mv Printer

1 Answer

79 service error


Would appear that either someone has put in some bad memory or the memory that came with it has gone bad:-

You could try taking the memory out to eliminate it.

79 Service error

Description

An incompatible DIMM is installed.

Recommended action

  1. Turn the product power off.

  2. Install a DIMM that the product supports.

  3. Turn the product on.

If the message persists, contact HP support.

Dec 28, 2013 | HP LaserJet Pro 400 M401DN Laser Printer

3 Answers

HP LaserJet M425dn MFP 79 Service Error


How To Troubleshoot HP 79 Error?

This is a fairly found as a common HP printers error which is usually caused by malformed PostScript documents in the HP printer. According to the study by a HP error 79 technical support professional team experts, printer shows a "79 Service Error" on the LCD display. HP service error 79 is a considered as a quite generic issue which is found on the HP LaserJet printer while working. Most of us face this same issue unexpectedly. But there are ways to get over with it:

What you need to have?
- Internet access.
-Admin account for the computers

Steps to resolve this HP error code 79
    ?In the very first step, you are needed to switch on the LaserJet Pro 400 printer.
    ?Ensure that the printer is properly connected to the internet. Users should be able to have a strong
    ?Ethernet cable connection running from the device to their modem or may even require to switch or a router.
    ?Now in the M401dn control panel/display section, click on the "Network" icon first.
    ?As per as study by HP error 79 tech support is concerned by a HP error 79 tech support technicians, verification of the IP address on the printer machine is necessary. Well, if it shows 192.168., then it clearly signifies that you are well connected to your home network. Else, a small check is needed to receive a symbol like 169.....
    ?Now step back to the home display section and then click on the "Settings" icon.
    ?Choose an updated LaserJet printer and then perform a check for all the firmware updates to ensure about all the latest updates.
    ?Continue the process by choosing a proper update and then click on the download and install button


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Sep 16, 2013 | HP LaserJet Pro 400 MFP M425dn

1 Answer

Hp laserjet 1536dnf error 79


Error 79

Software/drivers, Memory PCA's, Font-Macro-Personality Cartridges, option I/O Cards. Defective toner cartridge in the Laserjet 4 Plus only. Remove any accessories (font cartridges, memory PCA's, SIMMs, etc.) plugged into the formatter card and try again. If the problem persists and is application specific, verify proper setup with application vendor.

Defective Formatter PCA - Replace with known operational board and try again.
Firmware Update - The configuration page lists the firmware version of the product. Depending on the model, a firmware
DIMM may need replacing or a flash update. On flash-memory-based products, you can update the firmware code by downloading the latest flash executable file for the product and running the program according to the readme instructions posted with the update file. If the firmware should become corrupted or fail (usually because of an interruption when attempting to update the firmware), the product will no longer function. In this case, a firmware recovery DIMM is available.
Reseat DIMM, then Formatter - Replace or flash DIMM then formatter

Can this also be?

Jan 03, 2012 | HP Laserjet M2727nf Multifunction Printer

1 Answer

Hp laserjet 4250 error 49.4oc2 service


If the error won't go away, the printer could have a bad memory DIMM, a bad JetDirect card, a bad Firmware DIMM or a bad Formatter.

Pull out the JetDirect and power up. If the error is gone, try reseating the JD. If error reappears get the card replaced. If the error is still present after removing the JD call a tech to look at it.

Nov 05, 2011 | HP LaserJet 4250tn Printer

1 Answer

I unplugged my hp laserjet 3200 which was working fine. When I plugged it back in I got a flashing error light and this message: 79 service error 694: sm.c with or without any cablesconnected or...


This error is usually caused by either a dirty or failed Eprom dimm. On the lower back of the machine you will see a small flip up door. Open it and remove the memory sticks there and clean the gold contacts with a pencil eraser. Replace them in the correct slots. If that fixes it great, if not you will need to find a replacement firmware dimm.

Jun 16, 2011 | HP LaserJet 3200se Printer

1 Answer

4C02 Service error?


49.XXXX PRINTER ERROR

To continue turn off then on

No error message will be in event log.

A critical firmware error has occurred that caused the processor on the formatter to abort operation. This type of error can be caused by invalid print commands, corrupt data, or invalid operations. In some cases, electrical noise in the cable can corrupt data during transmission to the printer. Other causes include poor quality parallel cables, poor connections, or homegrown applications. On rare
occasions, the formatter is at fault, which is usually indicated by a 79 Service Error.

1. Press CANCEL JOB to clear the print job from the printer memory.
2. Turn the printer off and then back on.
3. Try printing a job from a different software application. If the job prints, go back to
the first application and try printing a different file. If the message appears only with a certain software application or print job, contact the software vendor for assistance.
4. If the message persists with different software applications and print jobs, disconnect all cables to the printer that connect it to the network or PC.
5. Turn the printer off.
6. Remove all memory DIMMs or third-party DIMMs from the printer. (Do not remove the firmware DIMM in slot J1.)
7. Remove all EIO devices from the printer.
8. Turn the printer on.
9. If the error no longer exists, install each DIMM and EIO device one at a time, making sure to turn the printer off and back on as you install each
device.
10. Replace a DIMM or EIO device if you determine that it causes the error.
11. Remember to reconnect all cables that connect the printer to the network or computer.
12. If the error persists, replace the firmware DIMM.
13. Replace the formatter and calibrate the printer. See Calibrate now.

Jan 07, 2011 | HP LaserJet 4350dtn Printer

1 Answer

My hp color laserjet 2840 keep gave me error 79 ask to turn off then turn on I did it several time but it don't fix the problem. Please help me fix this problem.


79 Error

Turn off then on

The device has experienced an internal

firmware error.

Turn off the power by using the power

switch, wait at least 30 seconds, and then

turn on the power and wait for the device to

initialize.

If you have recently installed a memory

DIMM in the device, turn off the device,

remove the memory DIMM, reinstall the

DIMM to verify that it is seated properly,

and then turn on the device.

If a surge protector is being used, remove

it. Plug the device directly into the wall

socket. Use the power switch to turn the

device on.

If the error persists, upgrade the firmware.

See Updating or recovering the firmware

code.

If the error persists, replace the formatter.
See Removing the formatter assemblies

Apr 27, 2010 | HP LaserJet 2840 Printer

1 Answer

My HP4700 Printer is displaying a 49.5001 Error message


Control Panel Message:
49.XX.XX
PRINTER ERROR
To continue
turn off then on

Description:
A critical firmware error has occurred that
caused the processor on the formatter to
abort operation. This type of error can be
caused by invalid print commands, corrupt
data, or invalid operations. In some cases,
electrical noise in the cable can corrupt
data during transmission to the printer.
Other causes include poor-quality parallel
cables, poor-connections, or home-grown
programs. On rare occasions, the formatter
is at fault, which is usually indicated by a 79 Service Error.

Recommended Action:
1. Turn the printer off then on.
2. Press Stop to clear the print job from
the printer memory.
3. Turn the printer off then on.
4. Try printing a job from a different
software program. If the job prints, go
back to the first program and try
printing a different file. If the message
displays only with a certain software
program or print job, contact the
software vendor for assistance.
5. If the message persists with different
software programs and print jobs,
disconnect all of the cables to the
printer that connect it to the network or
computer.
6. Turn the printer off.
7. Remove all memory DIMMs or thirdparty
DIMMs from the printer. (Do not
remove the firmware DIMM.)
8. Remove all EIO devices from the
printer.
9. Turn the printer on.
10. If the error no longer exists, install
each DIMM and EIO device one at a
time, making sure to turn the printer
off and on again as you install each
device.
11. Replace a DIMM or EIO device if you
determine that it causes the error.
12. Remember to reconnect all of the
cables that connect the printer to the
network or computer.
13. If the error persists, upgrade the
firmware compact flash card. See
Installing a flash memory card
on page 113.
14. Replace the formatter and calibrate
the printer. See Full Calibrate Now
on page 521.

Dec 16, 2009 | HP LaserJet 4700 Printer

3 Answers

Error 79 hp laserjet m2727nf mfp; error 49 hp laserjet m2727nf mf


Recommended action 49 and 79 Errors, Turn off then on The product has experienced an internal embedded software error. Turn off the power by using the power switch, wait at least 30 seconds, and then turn on the power and wait for the product to initialize.

If you have recently installed a memory DIMM in the product, turn off the product, remove the memory DIMM, reinstall the DIMM to verify that it is seated properly, and then turn on the product.

If the error persists, contact HP. See www.hp.com/support/LJM2727 or the support flyer that came in the product box.

Jul 02, 2009 | HP Laserjet M2727nf Multifunction Printer

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